About Amethyst Interlock Necklaces. All our Amethyst Interlock Necklaces are available in a choice of gems and precious metals. You can also add your own personal meaning to any of our Amethyst Interlock Necklaces, creating a beautiful memory and brilliant reminder. We use only the highest quality materials to craft our Amethyst Interlock Necklaces with meticulous attention to detail. Our precious metals are recycled or responsibly mined. We hand-select each conflict-free gem in to perfectly complement your selection from our Amethyst Interlock Necklaces. The profile, textures, and details of our Amethyst Interlock Necklaces add individuality and style to everything you wear. When our work is done and you open that box, you'll see your design from our Amethyst Interlock Necklaces is even more striking when brought to life in the finest precious materials.